(Eli5) Why do Buses & Trucks use 2 skinny wheels put together on each side of the axle? Instead of just using one fat wheel?
In: Engineering
Not Five Explanation: Trucks and buses generally have double wheels at the back to increase the area of contact on which their weights acts and hence reduces the pressure on the ground. It also provides the ability to replace one side if it is punctured, as well as being more cost friendly.
Five Explanation: two wheels is more stable, two wheels is cheaper than big fat wheel, two wheels is easier to replace if one side is broken. two wheel good.
Edit: Listen, I haven’t talked to a kid in years. I don’t know how smart they are.
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